Temperature for September 2011
In September 2011 the average high temperature in Grand Island, NE was 77.9°F, and this was 2.8°F cooler than the average of 80.7°F. The hottest day in September 2011 was 2 September when the temperature reached 93.9°F. Overnight the average temperature in September is 51.5°F and in 2011 the average overnight temperature was 4.8°F cooler at 46.7°F.